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proc_fd_permission() is doesn't need to bail out in RCU mode

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nothing blocking except generic_permission()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-06-18 20:35:23 -04:00
parent 730e908f35
commit cf12791116
1 changed files with 1 additions and 5 deletions
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6
fs/proc/base.c
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@ -2169,11 +2169,7 @@ static const struct file_operations proc_fd_operations = {
*/ */
static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags) static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags)
{ {
int rv; int rv = generic_permission(inode, mask, flags, NULL);
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
rv = generic_permission(inode, mask, flags, NULL);
if (rv == 0) if (rv == 0)
return 0; return 0;
if (task_pid(current) == proc_pid(inode)) if (task_pid(current) == proc_pid(inode))